Fair Value - Recurring Fair Value Measurements (Details) - USD ($) $ in Thousands	Oct. 31, 2019	Oct. 31, 2018
Assets:
Forward currency contracts	$ 10,898	$ 10,901
Liabilities:
Forward currency contracts	9	13
Forward currency contracts
Assets:
Forward currency contracts	10,898	10,901
Liabilities:
Forward currency contracts	9	13
Measured on a recurring basis
Assets:
Total assets	10,898	10,901
Liabilities:
Total liabilities	9	13
Measured on a recurring basis \| Forward currency contracts
Assets:
Forward currency contracts	10,898	10,901
Liabilities:
Forward currency contracts	9	13
Measured on a recurring basis \| Level 1
Assets:
Total assets	0	0
Liabilities:
Total liabilities	0	0
Measured on a recurring basis \| Level 1 \| Forward currency contracts
Assets:
Forward currency contracts	0	0
Liabilities:
Forward currency contracts	0	0
Measured on a recurring basis \| Level 2
Assets:
Total assets	10,898	10,901
Liabilities:
Total liabilities	9	13
Measured on a recurring basis \| Level 2 \| Forward currency contracts
Assets:
Forward currency contracts	10,898	10,901
Liabilities:
Forward currency contracts	9	13
Measured on a recurring basis \| Level 3
Assets:
Total assets	0	0
Liabilities:
Total liabilities	0	0
Measured on a recurring basis \| Level 3 \| Forward currency contracts
Assets:
Forward currency contracts	0	0
Liabilities:
Forward currency contracts	$ 0	$ 0

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Fair value of financial and nonfinancial obligations.

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